Question:
Two men A and B start walking from a place 'X' at \(4\frac{1}{2}\) km/h and \(5\frac{3}{4}\) km/h respectively. How many km apart will they be at the end of \(3\frac{1}{2}\) hours if they are walking in the same direction?
Two men A and B start walking from a place 'X' at \(4\frac{1}{2}\) km/h and \(5\frac{3}{4}\) km/h respectively. How many km apart will they be at the end of \(3\frac{1}{2}\) hours if they are walking in the same direction?
Updated On: Jan 30, 2025
- \(4\frac{1}{2}\) km
- \(5\frac{3}{4}\) km
- \(4\frac{3}{8}\) km
- \(35\frac{7}{8}\) km
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The Correct Option is C
Solution and Explanation
Relative speed between A and B is given by,
\(\frac{23}{4}-\frac{9}{2}=\frac{23-18}{4}=\frac{5}{4}\) km/hr
Total number of km's away is given by,
D \(=\frac{5}{4}\times\frac{7}{2}\)
D \(=\frac{35}{8}\) (or) \(4\frac{3}{8}\) km
Hence, option C is the correct answer.The correct option is (C): \(4\frac{3}{8}\) km
\(\frac{23}{4}-\frac{9}{2}=\frac{23-18}{4}=\frac{5}{4}\) km/hr
Total number of km's away is given by,
D \(=\frac{5}{4}\times\frac{7}{2}\)
D \(=\frac{35}{8}\) (or) \(4\frac{3}{8}\) km
Hence, option C is the correct answer.The correct option is (C): \(4\frac{3}{8}\) km
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